Question

How do you factor this polynomial:
-16t^2 + 28t + 8 = 0?

Answer 1

simplify by dividing by 4
-4t^2+7t+2=0

Answer 2

now we just factor
(4t +1)(-t + 2 )=0

Answer 3

-16t^2 + 28t + 8 = 0
Divide by -4
4t^2-7t-2=0
4t^2-8t+t-2=0
4t(t-2)+1(t-2)=0
(t-2)(4t+1)=0
t=2,t=-1/4

Source: http://www.mathskey.com/question2answer/